I’m Siyanew

• Our team handles nearly 7,000 requests per second, ensuring a smooth and responsive experience for our users
• Provided a new design for the Image system to handle about 2 Million images per day that reduced object storage size by half, resulting in savings of approximately 30TB.
• Led a team of 2 Senior, 2 Mid Level and 2 Junior developers responsible for developing, testing, and maintaining our search and image services.
• Improved the service's availability and reliability to 99.99%.
• Optimized the performance of the service, resulting in a 40% reduction in response time.

As a member of the infrastructure team, my responsibilities included:

• Managing Kubernetes clusters to connect microservices in a GRPC ecosystem and ensuring high database uptime.
• Managing backups of the entire system and ensuring the backup process's healthiness.
• Deploying and ensuring reliable and scalable error tracking tool Sentry on Kubernetes cluster.
• Setting up GitLab repository and Runner for build automation and creating a cleaner for runners' servers.
• Creating a system with complex logic to generate widget base pages for UI/UX developers and clients to test widgets easily.
• Maintaining our monitoring system, which contains Prometheus, Thanos, and Grafana.
• Writing ansible and helm charts to reduce time to redeploy and change data centers.

Participating in Ahmadi Roshan Project Founded by Iran National Elites Foundation
Under the supervision of Prof. Behroozi and Prof. Soleymani

Developing Backend and Designing Database Schema for Sina Hospital Information System.

Technologies: Python, Django, Celery, Redis, Graphene, NginX, PostgreSQL, Docker, GraphQL

Jomlex is an Iranian social networking service.

● Created a highly-scalable social media platform, capable of handling a large volume of users and content.
● Designed and implemented key features of the platform, including user profiles, real-time updates, and content sharing.
● Actively monitored platform performance and user feedback, iterating on the design and functionality to improve engagement and retention.
● Successfully launched the platform, building significant traction and user base (about 20k active users).

Optimizing and converting old Clarity system into RESTful webservice which MCI (Hamrah Aval, The biggest Iranian telecommunications company) uses it as OSS.

Technologies: JavaEE, Oracle DB, Spring, GWT, RabbitMQ, Hadoop, HBase Angular, Kafka